9+-12b+12b=-9

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Solution for 9+-12b+12b=-9 equation: 


Simplifying
9 + -12b + 12b = -9

Combine like terms: -12b + 12b = 0
9 + 0 = -9
9 = -9

Solving
9 = -9

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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